Start the truck fire right up but will stall out 5-7 times then starts and runs?

Yep, do you have black smoke from the tailpipe when this happens? If so, it sounds like you have a spider injector and fuel pressure regulator that is going out which is common, when you get a new one make sure it is an ACDelco unit. Here is how the job is done in the images below. Make sure you get the fuel pressure regulator as well.

We should check the fuel pressure as well because a bad fuel pump can do the same thing.

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

You can get a fuel pump pressure gauge from the auto parts store and rent it for cheap.

Key On Engine Off .................... 60-66 psi

Check out the images (below). Let us know what happens and please upload pictures or videos of the problem.